.floors{
		.floors-item{
			h2{
				padding: 10px 0;
				text-align: center;
				font-weight: normal;
				font-size: 16px;
			}
			.content{
				ul{
					width: 100%;
					
					li{
						width: 50%;
						height: 102px;
						float: left;
						padding: 1px;
						box-sizing: border-box;
						.image{
							width: 100%;
							height: 100%;
						}
						&:first-child{
							height: 203px;//需要设置小1像素，否则大屏幕尺寸排序混乱
						}
					}
				}
			}
		}
	}